Algebra Crossword

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Across
  1. 3. straight line on a graph
  2. 7. ALL REAL NUMBERS
  3. 9. What value of x makes the equation x + 7 = 12 true
  4. 10. letters like x, y, z
  5. 11. 5 is -5, because 5 + (-5) = 0
  6. 15. A mathematical relation indicating that two values are not equal
  7. 17. doesn't change
  8. 19. This expression clearly shows two terms
  9. 20. in the term 7x, 7
Down
  1. 1. an expression with variables, coefficients
  2. 2. A mathematical operation
  3. 4. The set of all y-values
  4. 5. line crosses the y-axis or x-axis
  5. 6. A mathematical phrase containing operations
  6. 8. RATIO OF RISE OVER RUN
  7. 12. 5x + 10 = 30
  8. 13. y = ax² + bx + c
  9. 14. A number that divides another evenly
  10. 16. The number of times a base is multiplied by itself
  11. 18. 3x